/Engine/Plugins/EnhancedInput/Source/EnhancedInput/Public/UserSettings/EnhancedInputUserSettings.h
Sets the Default Key on this mapping to that of the given ActionKeyMapping. Checks for customization of this key. This is for use during player key registration.
void UpdateDefaultKeyFromActionKeyMapping ( const [FEnhancedActionKeyMapping](API\Plugins\EnhancedInput\FEnhancedActionKeyMapping) & OriginalMapping )